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The MTT results of Fe3O4@Au composite magnetic nanoparticles.
Notes: n = 8, mean ± standard deviation. The RGR of L929 cells incubated with 25%, 50%, 75%, and 100% leaching liquor were 0.977, 0.872, 0.849, and 0.826, respectively, which all classified as toxicity grade 1.
Abbreviations: MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide; OD, optical density; RGR, relative growth rate.
